Shinkevich, Alexey I., Farida F. Galimulina, Yulia S. Polozhentseva, Alla A. Yarlychenko, and Naira V. Barsegyan. 2021. “Computer Analysis of Energy and Resource Efficiency in the Context of Transformation of Petrochemical Supply Chains”. International Journal of Energy Economics and Policy 11 (3):529-36. https://econjournals.com/index.php/ijeep/article/view/11270.